2018Flipped from RepublicanFinal results
2018 election for Illinois's 14th District
U.S. House · Illinois
Lauren Underwood (D) won with 52.5% of the vote, defeating Randy Hultgren (R) by 5.0 points, a seat Republicans won last time.
Lauren UnderwoodDemocrat · winner
52.5%156,035
Randy HultgrenRepublican
47.5%141,164
297,199 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Lauren UnderwoodRandy Hultgren
$4.9M
Raised by the campaign
$2.2M
$4.9M
Spent by the campaign
$2.4M
$35.8K
Cash on hand
$396
Campaign money: FEC, through Dec 31, 2018.
Source: FEC campaign filingsUpdated Dec 31, 2018